/*公开课*/
.OpenClass {
  /*头部区域开始*/
  /*头部区域结束*/
  /*近期公开课区域开始*/
  /*近期公开课区域结束*/
  /*底部内容结束*/
  /*底部内容结束*/
}
.OpenClass .header .topbar {
  color: #8d8d8d;
  background: #f6f6f6;
  width: 100%;
  height: 35px;
  line-height: 35px;
  font-size: 12px;
}
.OpenClass .header .topbar .topbarL {
  float: left;
}
.OpenClass .header .topbar .topbarL a {
  color: #8d8d8d;
}
.OpenClass .header .topbar .topbarR {
  float: right;
}
.OpenClass .header .nav {
  background: #021E81;
}
.OpenClass .header .nav .ul {
  display: flex;
}
.OpenClass .header .nav .ul .li {
  cursor: pointer;
  padding: 0 15px;
  height: 50px;
  line-height: 50px;
  transition: all 0.8s;
}
.OpenClass .header .nav .ul .li a {
  color: #fff;
}
.OpenClass .header .nav .ul .liF {
  font-weight: bold;
  background: #414DFE;
}
.OpenClass .header .nav .ul .li:hover {
  font-weight: bold;
  background: #414DFE;
}
.OpenClass .header .banner {
  width: 100%;
}
.OpenClass .header .banner .Img {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.OpenClass .header .banner .Img img {
  width: 100%;
  height: auto;
  margin: 0;
  border: none;
}
.OpenClass .recent {
  /*标题*/
  /*课程区域开始*/
  /*课程区域结束*/
  /*往期公开课开始*/
  /*往期公开课结束*/
}
.OpenClass .recent .titleBox {
  margin-bottom: 25px;
  padding-top: 70px;
  display: flex;
  justify-content: center;
}
.OpenClass .recent .titleBox .title {
  display: inline-block;
  padding: 10px;
  box-sizing: border-box;
  font-size: 35px;
  color: #020202;
  font-weight: 100;
  position: relative;
  border-bottom: 2px solid #FC3D4B;
}
.OpenClass .recent .titleBox .title span {
  color: #fc3d4b;
  font-weight: 900;
}
.OpenClass .recent .titleBox .title img {
  width: 37px;
  height: 43px;
  position: absolute;
  left: -18px;
  top: -14px;
}
.OpenClass .recent .course ul {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  grid-gap: 28px 0;
}
.OpenClass .recent .course ul li {
  cursor: pointer;
  padding-bottom: 28px;
  border-bottom: solid 1px #dddddd;
  padding-right: 20px;
  box-sizing: border-box;
}
.OpenClass .recent .course ul li:hover .li_top img {
  transform: scale(1.1);
}
.OpenClass .recent .course ul li .li_top {
  width: 100%;
  height: 174px;
  overflow: hidden;
}
.OpenClass .recent .course ul li .li_top img {
  width: 100%;
  height: auto;
  transition: all 0.5s;
}
.OpenClass .recent .course ul li .li_center {
  margin: 12px 0 16px;
}
.OpenClass .recent .course ul li .li_bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
}
.OpenClass .recent .course ul li .li_bottom span {
  color: #fd3128;
}
.OpenClass .recent .course ul li .li_bottom span .glyphicon {
  margin-right: 5px;
}
.OpenClass .recent .course ul li .li_bottom a {
  color: #fff;
  padding: 6px 8px;
  box-sizing: border-box;
  display: inline-block;
  background-color: #fd3128;
}
.OpenClass .recent .period ul {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-gap: 16px;
}
.OpenClass .recent .period ul li {
  box-sizing: border-box;
  border-radius: 6px;
  padding: 10px;
  background-color: #fff;
  border: 1px solid #ebe8e8;
}
.OpenClass .recent .period ul li:hover img {
  transform: scale(1.1);
}
.OpenClass .recent .period ul li .Img {
  position: relative;
  width: 100%;
  height: 302px;
  overflow: hidden;
}
.OpenClass .recent .period ul li .Img img {
  width: 100%;
  height: auto;
  transition: all 0.5s;
}
.OpenClass .recent .period ul li .Img .ImgBox {
  width: 100%;
  background: rgba(0, 0, 0, 0.6);
  position: absolute;
  bottom: 0;
  left: 0;
  color: #fff;
  box-sizing: border-box;
  padding: 8px 26px;
}
.OpenClass .recent .period ul li .Img .ImgBox h3 {
  font-size: 18px;
  line-height: 28px;
}
.OpenClass .recent .period ul li .Img .ImgBox p {
  line-height: 28px;
}
.OpenClass .recent .period ul li .Img .ImgBox p span {
  color: #F31C1C;
}
.OpenClass .recent .period ul li .TextP {
  margin-top: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.OpenClass .recent .period ul li .TextP span {
  font-size: 18px;
  line-height: 26px;
  color: #3e3b3c;
}
.OpenClass .recent .period ul li .TextP a {
  color: #F31C1C;
  padding: 8px 12px;
  box-sizing: border-box;
  display: inline-block;
  border-radius: 5px;
  border: 1px solid #F31C1C;
}
.OpenClass .recent .period ul li .TextP a:hover {
  color: #fff;
  background: #F31C1C;
}
.OpenClass .footer {
  overflow: hidden;
  margin-top: 50px;
  background: #276DC3;
}
.OpenClass .footer .nav {
  display: flex;
}
.OpenClass .footer .nav .navLi {
  cursor: pointer;
  color: #fff;
  display: inline-block;
  height: 95px;
  line-height: 95px;
  font-size: 20px;
  padding: 0 15px;
  box-sizing: border-box;
}
.OpenClass .footer .nav .navLiA {
  background: #FF7403;
}
.OpenClass .footer .main {
  padding: 20px 0;
  box-sizing: border-box;
  display: grid;
  grid-template-columns: 715px 1fr;
}
.OpenClass .footer .main .main_left ul li {
  font-size: 16px;
  text-align: left;
  color: #fff;
  font-weight: 100;
  line-height: 28px;
}
.OpenClass .footer .main .main_left ul li span {
  color: #ff7403;
  font-size: 26px;
}
.OpenClass .footer .main .main_right {
  padding-left: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
}
.OpenClass .footer .main .main_right .box {
  text-align: center;
  font-size: 14px;
  color: #fff;
}
.OpenClass .footer .main .main_right .box .img {
  margin: 0 auto;
  width: 120px;
  height: 120px;
  padding: 3px;
  box-sizing: border-box;
  margin-bottom: 20px;
  background: #fff;
}
.OpenClass .footer .main .main_right .box .img img {
  width: 100%;
  height: auto;
}
